Calling render_callback() without register_block_type?

[phpbits]

Checking https://github.com/WordPress/gutenberg/blob/a41173b0be06c5c8c8e397bfb7b30604099e3182/lib/blocks.php and there seems to be no block render_callback option without register_block_type. Will there be any filters available? It will be easier rather that removing the the_content filter and override it with a new one. Thanks!

[danielbachhuber]

Hi @phpbits,

Could you share more detail on what you're trying to do?

[phpbits]

@danielbachhuber I'm trying to hide several specific blocks and there's no filter/callback option. I did it by using remove_filter( 'the_content', 'do_blocks', 9 ); then copy the do_blocks() and adding it again. Then add my conditions on the foreach loop per block.

Would be really helpful and better if you have filters and actions available there. Thanks!

[phpbits]

@danielbachhuber Thedo_blocks() seems been changed : https://github.com/WordPress/gutenberg/blob/master/lib/blocks.php. Can you please add a filter foreach block before adding them to the content? Something like this on the previous code :

$content_after_blocks .= apply_filters( 'do_content_block', gutenberg_render_block( $block ), $block );

Thanks!

[aduth]

Relevant exchange at #4591 (comment)

[chrisvanpatten]

Seconding this — additional filters on block render would be super valuable. For instance right now I'm trying to change the structure of image tags to modify the sizes and srcset attributes and have to resort to an ugly domdoc solution because there's no easy way to filter the markup at runtime.

[mcsf]

@chrisvanpatten, I think it's best to follow #2751, as its resolution should provide an overarching solution for this.